Threat Research

Case Files from the Help Desk: A Month of Vishing (Q2 2026)
Case Files from the Help Desk: A Month of Vishing (Q2 2026)

Three vishing case files from one month at a retail help desk: every call sounded fine, and every flag came from the signals underneath it, not the voice on it.

imper.ai

July 16, 2026

Detecting DPRK IT Workers: High-Confidence Network & Identity Indicators (Q1 2026)
Detecting DPRK IT Workers: High-Confidence Network & Identity Indicators (Q1 2026)

Four DPRK IT workers detected in a single hiring cohort of 600. Network, device, and identity signals. Zero credentials issued.

imper.ai

April 13, 2026